2781405

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1873}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 5397120

約数和(自身を除く): 2615715

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 1873, 5619, 9365, 16857, 20603, 28095, 50571, 61809, 84285, 103015, 185427, 252855, 309045, 556281, 927135, 2781405]

約数ペア:

[(1, 2781405), (3, 927135), (5, 556281), (9, 309045), (11, 252855), (15, 185427), (27, 103015), (33, 84285), (45, 61809), (55, 50571), (99, 28095), (135, 20603), (165, 16857), (297, 9365), (495, 5619), (1485, 1873)]